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Meade Instruments
Corporation
Telescopes · Binoculars · Microscopes
|
| Pictor™
XT/XTE-Series CCD AutoGuider/Imagers |
| Specs and Features: Meade Pictor Series
AutoGuiders/Imagers |
|
|
Pictor 201XT |
Pictor 208XT |
Pictor 216XT |
Pictor 416XTE |
Pictor 1616XTE |
| CCD sensor |
Texas Instr.
TC-255 |
Texas Instr.
TC-255 |
Texas Instr.
TC-255 |
Kodak
KAF-0401E |
Kodak
KAF-1602E |
|
Dimensions |
3.30 x 2.40mm |
3.30 x 2.40mm |
3.30 x 2.40mm |
6.90 x 4.60mm |
13.80 x 9.20mm |
|
Pixels |
336 x 242 |
336 x 242 |
336 x 242 |
768 x 512 |
1536 x 1024 |
|
Pixel size |
10.0 µm square |
10.0 µm square |
10.0 µm square |
9.0 µm square |
9.0 µm square |
| In 8"
f/10 telescope: |
|
|
|
|
|
|
Pixel size |
1.0 arc secs. |
1.0 arc secs. |
1.0 arc secs. |
0.9 are secs. |
0.9 arc secs. |
|
Field of view |
5.6' x 4. 1' |
5.6' x 4. 1' |
5.6' x 4. 1' |
11.7'x 7.8' |
23.3'x 15.6' |
|
Full well capacity (e-) |
70,000 |
70,000 |
70,000 |
85,000 |
85,000 |
|
Dark current |
87e-/5 secs. @
20°C |
< 8e-/5 secs.
@ -5°C |
< 8e-/5 secs.
@ -5°C |
< 1e-/5 secs.
@ -20°C |
< 1e-/5 secs.
@ -20*C |
|
Readout noise |
36e- rms |
36e- rms |
36e- rms |
< 15e- rms |
< 15e- rms |
|
Digitization |
|
|
|
|
|
|
A/D conversion |
8-bit |
8-bit |
12 bit or
16-bit |
16-bit |
16-bit |
|
Brightness levels |
- |
256 |
4096 or 65,536 |
65,536 |
65,536 |
|
Full frame |
- |
High-Res: 1.3
secs. |
High-Res: 1.1
secs. |
High-Res: 4
secs. |
High-Res: 16
sees. |
| |
- |
Low-Res: 0.4
secs. |
Low-Res: 0.3
secs. |
Low-Res: 1
sec. |
Low-Res: 4
secs. |
| Faintest
guide-star magnitude In autoguider mode |
12 |
14 |
14 |
14 |
14 |
| Transfer
to host computer |
- |
9 secs. |
12 bits: 10
secs. |
SCSI: 1sec. |
SCSI: 4 secs. |
| |
- |
w/compres'n: 5
secs. |
w/compres'n: 6
secs. |
serial: 65
secs. |
serial: 260
secs. |
| |
- |
- |
16 bits: 13
secs. |
w/compres'n:
35 secs. |
w/compres'n:
140 secs |
| |
- |
- |
w/compres'n: 7
secs. |
|
|
|
Temperature control |
- |
thermoelectric |
thermoelectric |
thermoelectric, 2-stage |
thermoelectric, 2-stage |
|
Change from ambient |
- |
delta T =
-25°C |
delta T =
-25°C |
delta T =
-40°C |
delta T =
-40°C |
|
Thermostat accuracy |
- |
1°C |
1°C |
0.1°C |
0.1°C |
| Shutter |
- |
electronic |
electronic |
electro-mechanical |
electro-mechanical |
|
Minimum exposure time |
- |
4 msec. |
4 msec. |
10 msec. |
10 msec. |
| With LX200
telescope: |
|
|
|
|
|
|
Auto-focus capability |
- |
yes |
yes |
yes |
yes |
|
Auto-mosaic capability |
- |
yes |
yes |
yes |
yes |
| Host PC
programs |
- |
all models: image transfer and display; contrast
control; smoothing/sharpening filters; image alignment and
differencing |
| On-Board
programs |
- |
all models: automatic exposure level, dark current
exposure, and flat-field sequence; pixel binning; thermostat |
| Accepts
#616 Color Filter System |
- |
no |
yes |
yes |
yes |
| Power
Requirements |
0.5 amp; 12vDC |
1.0 amp; 12vDC |
1.0 amp; 12vDC |
2.0 amp; 12vDC |
2.0 amp; 12vDC |
|
Dimensions: Head |
5.5" x 2" x 1" |
4" dia. x 2" |
4" dia. x 2" |
5" dia. x 2.2"
|
5" dia. x 2.2" |
|
Controller |
- |
- |
- |
9" x 7" x 1.2" |
9" x 7"x 1.2" |
| |